Overview
The 50L manual oil dispenser is a wheeled fluid-transfer unit built around a 50 L metal tank and a hand-operated double-acting pump. It moves oil on both the up and the down stroke of the handle and needs neither electricity nor compressed air – a practical answer for workshops, yards, and field service where power is unavailable.
This unit is for oil, not grease. If your work is grease lubrication rather than oil transfer, look at our grease pump range and the complete guide to grease pumps instead.
Specifications
| Parameter | Specification |
|---|---|
| Tank capacity | 50 L, metal tank with level gauge |
| Pump type | Double-acting manual pump – delivers oil on both up and down strokes |
| Output per stroke | Approx. 50-100 ml, depending on oil viscosity and pumping speed |
| Oil viscosity range | SAE 15-220 (engine oil, ATF, gear oil, hydraulic oil) |
| Hose | 2 m flexible hose with manual control nozzle |
| Empty weight | 23-25 kg |
| Dimensions | 40 x 42 x 110 cm |
| Mobility | Wheels plus pull handle |
Applications
- Automotive and fleet workshops: engine oil changes and top-ups with common grades such as 5W-30, 10W-30, 15W-40, and 20W-50; ATF for transmission service.
- Agricultural and construction equipment: gear oil for axles and gearboxes, hydraulic oil for system top-ups.
- Industrial maintenance: routine oil dispensing at the machine, without dragging drums or bottles across the floor.
- Mobile and remote service: no power source required; one person can wheel the unit between vehicles or bays.
Antifreeze and coolant can be dispensed in some applications; confirm fluid compatibility at order, and clean the tank and hose thoroughly before changing fluid types.
Selection and Operation
Choose manual when volumes are moderate and dispensing is intermittent. For continuous transfer, high daily volumes, or constant movement of very viscous oil, a powered dispenser will save labor – Request a quote and we will size the right configuration.
Operation is straightforward:
- Fill the tank, leaving headspace at the top, and tighten the cap.
- Run the 2 m hose to the fill point and open the manual control nozzle.
- Pump steadily; oil flows on both the up and the down stroke. Expect roughly 50-100 ml per stroke, depending on viscosity and pace.
- Close the nozzle when finished and read the level gauge.
Thicker oil costs more effort. Within the SAE 15-220 range the pump handles light hydraulic oil up to heavy gear oil, but a 90-weight grade is the hardest work; slower, deliberate strokes are the practical approach.
Maintenance
There is no fixed service calendar. Inspect the unit regularly and let condition, not dates, drive the work: check the hose for cracks, confirm the nozzle valve closes cleanly, keep the pump handle pivot lightly oiled, and wipe the tank so the level gauge stays readable. How often depends on usage and site conditions.
Oil can stay in the tank between jobs provided the cap is tight and the level gauge is checked regularly. When switching fluids, drain, flush, and clean the tank and hose first so residue does not contaminate the new fluid.
FAQ
What is a 50L manual oil dispenser?
A portable fluid-transfer unit: a 50 L metal tank on wheels with a hand-operated pump, a 2 m hose, and a manual control nozzle. It dispenses oil and compatible fluids without electricity or compressed air.
What does double-acting mean on a manual pump?
The pump moves oil on both the upward and the downward stroke of the handle. A single-acting pump delivers on only one stroke, so flow is steadier and arm fatigue lower.
Which oils can I dispense with this unit?
Oils in the SAE 15-220 range: engine oils such as 5W-30, 10W-30, 15W-40, and 20W-50, plus ATF, gear oil, and hydraulic oil. Antifreeze or coolant is possible in some applications – confirm at order. Clean the tank and hose whenever you change fluid types.
How much oil comes out per pump stroke?
Approximately 50-100 ml, depending on oil viscosity and pumping speed. Thin oil at a brisk pace sits near the top of that range; thick oil pumped slowly sits near the bottom.
Should I choose a manual or an electric oil dispenser?
Manual suits low-frequency, moderate-volume work and sites without power. Continuous all-day dispensing or large volumes favor a powered unit – the trade-off is purchase cost, a power supply, and more components to look after.
Is it hard to pump thick oil by hand?
Harder, yes, though the double-acting design helps. A 90-weight gear oil is the most demanding fluid in the SAE 15-220 range; slow, full strokes work better than fast short ones.
Can I leave oil in the tank between jobs?
Yes. Keep the cap tightened and glance at the level gauge before each use so you know exactly what is in the tank.
How do I know when the tank needs refilling?
The fitted level gauge shows the remaining oil at a glance. Top up before large jobs rather than running the pump dry mid-task.
What maintenance does a manual oil dispenser need?
Regular inspection rather than a fixed schedule: hose condition, nozzle sealing, pump action, and cap tightness, with frequency set by usage and site conditions.
What should I do when switching to a different oil type?
Drain, flush, and clean the tank, hose, and nozzle before filling with the new fluid. If you are unsure whether a fluid suits this dispenser, contact our team for a quote and a compatibility check with IsoHiTech Lubrication Systems, founded in 2023, engineering since 2006; email inquiry@isohitech.com.
